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User Stories
Develop better products faster and cheaper.
about.me/bartvermijlen




Hi. This is me!
Where did we go wrong?




Projects fail. Many projects fail. But why? How come?
Time
             Budget
             Quality
             Scope



A project has 4 dimensions. Where do they fail?
Time
              Budget
              Quality
              Scope



Most of the time, projects are delivered late, and out of budget. Quality is neglected and the product isn’t tested at a sufficient level.
Time
              Budget
              Quality
              Scope                               User Stories



The solution for the first three dimensions lies in the fourth dimension. If you define your scope using User Stories, a lot of trouble can
be avoided.
User Story:
              As a (type of user)
              I want to (goal)
              so that (reason)



What are User Stories? It’s a specific way to describe pieces of functionality from a user’s point of view. They consist of the type of
user, the goal and the reason. This last one is important, as it reflects business value.
User Story:
              As a cyclist
              I want to switch gears
              so that I can go faster



Example for a bike. Note that the business value is not in the gears but in going faster.
User Story:
              As a visitor of the website
              I want to submit my email address
              so that I can receive the newsletter



Example for a website. Here value is not in the submitting process, but actually getting that newsletter in your mailbox.
3 C’s:

              Card
              Conversation
              Confirmation

              (Ron Jeffries)
              http://xprogramming.com/articles/expcardconversationconfirmation/


A User Story is more than just that sentence. It consists of three C’s.
Card

The Card holds the “as a (type of user) I want to (goal) so that (reason)”. By putting the story on a card, it’s easy to put on a wall,
place it on the table, hold it in your hand, …
Conversation
But the real value is not in the Card. The Card is just the fuel for Conversation. User Stories force you to talk about the right things.
Confirmation


A User Story also implies Confirmation. When is a User Story “confirmed”?
Confirmation
                                                            Acceptance Criteria

When it’s Acceptance Criteria are met! These Criteria define when a User Story will be accepted as “ready”, how the piece of
functionality is tested, what the definition of “done” is for the User Story.
User Stories. Develop better products faster and cheaper.
“Those who want the product
             (software) must communicate
             with those who will build it.”
             Mike Cohn




A clear benefit of User Stories is the focus on communication between business and development. The balance between the two is
crucial. They are both equally responsible to negotiate the scope.
Don’t get caught up in lengthy requirement documents that nobody reads. Don’t think when it’s written down, it’s clear for everyone.
Describe what will happen,
             but not how it will happen.




Don’t focus on technologies or processes. Describe what must happen for your user.
Focus on users and their actions.




A user has a face. Keep that in mind. When you develop for children or their grandparents, put it in the center.
User centric scope definition
                                 =
                   more time/money for quality



When you talk about scope the right way, development will go faster, and you’ll end up with more time to invest in quality and testing.
Fast delivery




Obviously you’ll deliver early.
Further reading:

           Scrum and XP from the Trenches – H. Kniberg

           User Stories Applied – M. Cohn




Read these books. They’re Scrum and XP oriented, but don’t let that get in the way.
Userstorieshq.com




Currently we’re working on a little tool to manage your User Stories. Request your invite for private beta.
@bartvermijlen

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User Stories. Develop better products faster and cheaper.

  • 1. User Stories Develop better products faster and cheaper.
  • 3. Where did we go wrong? Projects fail. Many projects fail. But why? How come?
  • 4. Time Budget Quality Scope A project has 4 dimensions. Where do they fail?
  • 5. Time Budget Quality Scope Most of the time, projects are delivered late, and out of budget. Quality is neglected and the product isn’t tested at a sufficient level.
  • 6. Time Budget Quality Scope User Stories The solution for the first three dimensions lies in the fourth dimension. If you define your scope using User Stories, a lot of trouble can be avoided.
  • 7. User Story: As a (type of user) I want to (goal) so that (reason) What are User Stories? It’s a specific way to describe pieces of functionality from a user’s point of view. They consist of the type of user, the goal and the reason. This last one is important, as it reflects business value.
  • 8. User Story: As a cyclist I want to switch gears so that I can go faster Example for a bike. Note that the business value is not in the gears but in going faster.
  • 9. User Story: As a visitor of the website I want to submit my email address so that I can receive the newsletter Example for a website. Here value is not in the submitting process, but actually getting that newsletter in your mailbox.
  • 10. 3 C’s: Card Conversation Confirmation (Ron Jeffries) http://xprogramming.com/articles/expcardconversationconfirmation/ A User Story is more than just that sentence. It consists of three C’s.
  • 11. Card The Card holds the “as a (type of user) I want to (goal) so that (reason)”. By putting the story on a card, it’s easy to put on a wall, place it on the table, hold it in your hand, …
  • 12. Conversation But the real value is not in the Card. The Card is just the fuel for Conversation. User Stories force you to talk about the right things.
  • 13. Confirmation A User Story also implies Confirmation. When is a User Story “confirmed”?
  • 14. Confirmation Acceptance Criteria When it’s Acceptance Criteria are met! These Criteria define when a User Story will be accepted as “ready”, how the piece of functionality is tested, what the definition of “done” is for the User Story.
  • 16. “Those who want the product (software) must communicate with those who will build it.” Mike Cohn A clear benefit of User Stories is the focus on communication between business and development. The balance between the two is crucial. They are both equally responsible to negotiate the scope.
  • 17. Don’t get caught up in lengthy requirement documents that nobody reads. Don’t think when it’s written down, it’s clear for everyone.
  • 18. Describe what will happen, but not how it will happen. Don’t focus on technologies or processes. Describe what must happen for your user.
  • 19. Focus on users and their actions. A user has a face. Keep that in mind. When you develop for children or their grandparents, put it in the center.
  • 20. User centric scope definition = more time/money for quality When you talk about scope the right way, development will go faster, and you’ll end up with more time to invest in quality and testing.
  • 22. Further reading: Scrum and XP from the Trenches – H. Kniberg User Stories Applied – M. Cohn Read these books. They’re Scrum and XP oriented, but don’t let that get in the way.
  • 23. Userstorieshq.com Currently we’re working on a little tool to manage your User Stories. Request your invite for private beta.